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wined3d: Fallback to our private window when context activation fails otherwise.

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This commit is contained in:
Matteo Bruni 2011-04-12 22:27:54 +02:00 committed by Alexandre Julliard
parent edebabc2ec
commit a3c12c5be4
3 changed files with 60 additions and 2 deletions
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51
dlls/wined3d/context.c
View File

@ -795,15 +795,62 @@ static BOOL context_set_pixel_format(const struct wined3d_gl_info *gl_info, HDC
static BOOL context_set_gl_context(struct wined3d_context *ctx)
{
struct wined3d_swapchain *swapchain = ctx->swapchain;
if (!pwglMakeCurrent(ctx->hdc, ctx->glCtx))
{
WARN("Failed to make GL context %p current on device context %p, last error %#x.\n",
ctx->glCtx, ctx->hdc, GetLastError());
ctx->valid = 0;
context_set_current(NULL);
return FALSE;
WARN("Trying fallback to the backup window.\n");
if (!swapchain->backup_dc)
{
TRACE("Creating the backup window for swapchain %p.\n", swapchain);
swapchain->backup_wnd = CreateWindowA(WINED3D_OPENGL_WINDOW_CLASS_NAME, "WineD3D fake window",
WS_OVERLAPPEDWINDOW, 10, 10, 10, 10, NULL, NULL, NULL, NULL);
if (!swapchain->backup_wnd)
{
ERR("Failed to create a window.\n");
goto fail;
}
swapchain->backup_dc = GetDC(swapchain->backup_wnd);
if (!swapchain->backup_dc)
{
ERR("Failed to get a DC.\n");
goto fail;
}
if (!context_set_pixel_format(ctx->gl_info, swapchain->backup_dc, ctx->pixel_format))
{
ERR("Failed to set pixel format %d on device context %p.\n",
ctx->pixel_format, swapchain->backup_dc);
goto fail;
}
}
if (!pwglMakeCurrent(swapchain->backup_dc, ctx->glCtx))
{
ERR("Fallback to backup window (dc %p) failed too, last error %#x.\n",
swapchain->backup_dc, GetLastError());
context_set_current(NULL);
return FALSE;
}
}
return TRUE;
fail:
if (swapchain->backup_dc)
{
ReleaseDC(swapchain->backup_wnd, swapchain->backup_dc);
swapchain->backup_dc = NULL;
}
if (swapchain->backup_wnd)
{
DestroyWindow(swapchain->backup_wnd);
swapchain->backup_wnd = NULL;
}
context_set_current(NULL);
return FALSE;
}
static void context_restore_gl_context(HDC dc, HGLRC gl_ctx)

8
dlls/wined3d/swapchain.c
View File

@ -80,6 +80,14 @@ static void swapchain_cleanup(struct wined3d_swapchain *swapchain)
mode.Format = swapchain->orig_fmt;
IWineD3DDevice_SetDisplayMode((IWineD3DDevice *)swapchain->device, 0, &mode);
}
if (swapchain->backup_dc)
{
TRACE("Destroying backup wined3d window %p, dc %p.\n", swapchain->backup_wnd, swapchain->backup_dc);
ReleaseDC(swapchain->backup_wnd, swapchain->backup_dc);
DestroyWindow(swapchain->backup_wnd);
}
}
ULONG CDECL wined3d_swapchain_incref(struct wined3d_swapchain *swapchain)

3
dlls/wined3d/wined3d_private.h
View File

@ -2543,6 +2543,9 @@ struct wined3d_swapchain
HWND win_handle;
HWND device_window;
HDC backup_dc;
HWND backup_wnd;
};
void x11_copy_to_screen(struct wined3d_swapchain *swapchain, const RECT *rect) DECLSPEC_HIDDEN;